About the Number

199681728

199681727 ← → 199681729

2進数表記:1011111001101110011011000000

漢数字表記:一億九千九百六十八万千七百二十八

素因数分解:

2 6 × 3 1 × 17 1 × 131 1 × 467 1

素因数の和:630
約数の個数: 112
約数和(自身を含む): 564879744
約数和(自身を除く): 365198016

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 131, 136, 192, 204, 262, 272, 393, 408, 467, 524, 544, 786, 816, 934, 1048, 1088, 1401, 1572, 1632, 1868, 2096, 2227, 2802, 3144, 3264, 3736, 4192, 4454, 5604, 6288, 6681, 7472, 7939, 8384, 8908, 11208, 12576, 13362, 14944, 15878, 17816, 22416, 23817, 25152, 26724, 29888, 31756, 35632, 44832, 47634, 53448, 61177, 63512, 71264, 89664, 95268, 106896, 122354, 127024, 142528, 183531, 190536, 213792, 244708, 254048, 367062, 381072, 427584, 489416, 508096, 734124, 762144, 978832, 1040009, 1468248, 1524288, 1957664, 2080018, 2936496, 3120027, 3915328, 4160036, 5872992, 6240054, 8320072, 11745984, 12480108, 16640144, 24960216, 33280288, 49920432, 66560576, 99840864, 199681728]

約数ペア:
[(1, 199681728), (2, 99840864), (3, 66560576), (4, 49920432), (6, 33280288), (8, 24960216), (12, 16640144), (16, 12480108), (17, 11745984), (24, 8320072), (32, 6240054), (34, 5872992), (48, 4160036), (51, 3915328), (64, 3120027), (68, 2936496), (96, 2080018), (102, 1957664), (131, 1524288), (136, 1468248), (192, 1040009), (204, 978832), (262, 762144), (272, 734124), (393, 508096), (408, 489416), (467, 427584), (524, 381072), (544, 367062), (786, 254048), (816, 244708), (934, 213792), (1048, 190536), (1088, 183531), (1401, 142528), (1572, 127024), (1632, 122354), (1868, 106896), (2096, 95268), (2227, 89664), (2802, 71264), (3144, 63512), (3264, 61177), (3736, 53448), (4192, 47634), (4454, 44832), (5604, 35632), (6288, 31756), (6681, 29888), (7472, 26724), (7939, 25152), (8384, 23817), (8908, 22416), (11208, 17816), (12576, 15878), (13362, 14944)]

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